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Abstract—According to the requirement of providing personalized service to users in e-Learning systems and the problem of presenting the semantic relationships of users' interests in traditional user models, this paper discusses the representation and the construction of a personalized user model which represents individual user’s interests(More)
The development of cloud computing are facing many challenges, one of the most concerning aspect is data security problem which resulted by the nature of its dynamic, sharing, openness and highly centralized mass data. From the perspective of the users, related research focused on the methods that ensuring the safety of data access and storage. This paper(More)
Long-distance education is a very important teaching method now. The foundation of the long distance is the construction of educational resources database. The key work of constructing resources database is to structure an appropriate index. The paper studies the representation of the characters of multimedia educational resources and the relations between(More)
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